US reality TV star Kim Kardashian West has fled Paris after being robbed at gunpoint in an exclusive hotel by a gang posing as police officers who stole jewellery to the value of about à10-million. Kardashian arrived back in the US by private jet yesterday and was reunited with her family, according to reports.The reality star, 35, was robbed by five armed men wearing ski masks, and clothes bearing police markings, in the early hours of yesterday morning.A Daily Mail report said the gang ''put a gun to her head, left her tied up in the bathroom of her luxury residence in Paris and stole jewellery worth millions of dollars" in the heist. Sources said Kardashian, who is married to US rapper Kanye West, was "badly shaken but physically unharmed".Unconfirmed French media reports said masked robbers disguised as police officers found Kardashian West in the bathroom when they struck. They are said to have tied her up before fleeing.According to the Daily Mail, the heist gang stole a jewellery box worth à6-million and a ring worth à4-million "prompting speculation that the valuables were personal ones, and not just jewellery Kim was borrowing for fashion week".The tabloid also said Kardashian lost two of her prized smartphones which "are likely to contain a great deal of personal information".At around 3am, the robbers entered the building after forcing the concierge to let them in. Handcuffed, and at gunpoint, he then led them to Kardashian's flat.Kim reportedly "begged for her life" and told the gunmen she had children at home when one of them held the gun to her head.In her last Snapchat post before she was robbed, she is wearing the 15-carat Lorraine Schwartz engagement ring given to her by West ..